Why do I get "A connection has already been set as ready." Error

Question

So I implemented my own NetworkManager because I wanted to spawn different PlayerPrefabs depending on some selection and tell the Player Name. For now I want to get it to work to send the PlayerName over the Network from Client to Server. So These are the Code lines:

 public override void OnClientConnect(NetworkConnection conn) {
     Debug.Log("OnClientConnect");
     StringMessage msg = new StringMessage(_playerName);
     ClientScene.AddPlayer(conn, 0, msg);

 }
 public override void OnServerAddPlayer(NetworkConnection conn, short playerControllerId, NetworkReader extraMessageReader) {
     Debug.Log("OnServerAddPlayer");
     string customParameters = "";
     if (extraMessageReader!=null) {
         customParameters = extraMessageReader.ReadString();
     }
     _playerName = customParameters;

     GameObject o = Instantiate(spawn) as GameObject;
     MyPlayerCharacter mpc = o.GetComponent<MyPlayerCharacter>();
     mpc.playerName = _playerName;
     NetworkServer.AddPlayerForConnection(conn, o, playerControllerId);
 }

but now I get the following Error allready when I start to Host a Server:

A connection has already been set as ready. There can only be one. UnityEngine.Networking.NetworkIdentity:UNetStaticUpdate()

this Error disappears when I comment out the following line of Code:

ClientScene.AddPlayer(conn, 0, msg);

So could anybody explain me what I'm doing wrong or what I've missed out?

Answer 1

Best Answer

Answer by Noob235 · Oct 26, 2015 at 07:32 PM

try:

         if (string.IsNullOrEmpty (this.onlineScene) || this.onlineScene == this.offlineScene)
         {
             ClientScene.Ready (conn);
             if (this.autoCreatePlayer)
             {
                  ClientScene.AddPlayer(conn, 0, msg);
             }
         }

instead of only

      ClientScene.AddPlayer(conn, 0, msg);

this is the code used by the standard networkManager

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ElDo · Oct 27, 2015 at 05:47 AM 0

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This partially solved my Problem. The "Connection has already been set as ready" error disappeared and therefor I accept your Answer. But now after a Host started a game and a Client tries to connect, the game stops with following error:

"HLAPI CRC channel count error local: 1 remote: 2 UnityEngine.Networking.NetworkIdentity:UNetStaticUpdate()"

as I figured out right now this seems to be caused by some Kind of sync loss because the Server has 2 Network Identities while the Client only has 1 or something. Still Need to dive into this one. Thanks for your Answer.

What also solved the "Connection set as ready error " and causing the same sync error is to override OnClientSceneChanged(NetworkConnection conn) that I could find on this thread

Why do I get "A connection has already been set as ready." Error

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